Home / 12,336.72-18,505.29-4,016.70

Finding the Fourth Proportional to 12,336.72, 18,505.29 and 4,016.70

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Solution

The fourth proportional to 12,336.72, 18,505.29 and 4,016.70 is: 6,025.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.72 : 18,505.29 = 4,016.70 : x
  2. Step 2: Convert to fraction form
    12,336.72/18,505.29 = 4,016.70/x
  3. Step 3: Cross multiply
    12,336.72x = 18,505.29 × 4,016.70
  4. Step 4: Simplify right side
    12,336.72x = 74,330,198.34
  5. Step 5: Solve for x
    x = 74,330,198.34/12,336.72
  6. Step 6: Final answer
    x = 6,025.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.